URSA Blue 60 Ah car battery is a serviceable lead-acid calcium starter battery rated at 12 V with a cold cranking current of 500 A and direct polarity, designed for the majority of passenger vehicles. The battery is engineered to ensure reliable engine starting and stable power supply to on-board electrical systems under various climatic conditions.



URSA Blue 60 Ah car battery exterior view for FAQ and technical reference

Frequently Asked Questions about the URSA Blue 60 Ah UU601 Battery

Reviews and operating experience of the URSA Blue 60 Ah battery ›››

Technical Specifications of the URSA Blue 60 Ah Battery

What type of battery is the URSA Blue 60 A·h and is it serviceable?

The URSA Blue 60 A·h is a serviceable lead-acid starter battery. The housing is equipped with caps on each cell, allowing the owner to independently monitor the electrolyte density in a lead-acid starter battery, check the level, and, if necessary, add distilled water or electrolyte in accordance with the operating instructions.

What nominal capacities are available in the Ursa battery product line?

The product line includes several size options by automotive battery capacity rating in ampere-hours: according to reviews and descriptions, models with capacities of 60, 62, 70, 74, 75, 90, and 100 A·h are mentioned. This FAQ primarily focuses on the Ursa 60 A·h version; however, the operating characteristics of other models (weight, declared starter motor cold cranking current specification, overall dimensions) may differ.

How does the weight of the Ursa 60 A·h battery differ from some other batteries of the same capacity and what may this indicate?

Practical use has demonstrated that the Ursa 60 A·h battery may be noticeably lighter than certain older batteries of the same nominal capacity (example: approximately 11.6 kg compared to 16.8 kg for another brand). The lower weight is generally associated with design features of the plates and the housing. Theoretically, this may influence service life under severe operating conditions; however, based on individual examples in which the battery reliably starts the engine, it is not possible to draw an unambiguous conclusion regarding reduced durability.

Is a slight deviation of the actual weight of the Ursa 100 A·h battery from the declared value acceptable?

For the Ursa 100 A·h battery, a discrepancy in actual weight of approximately 20.6 kg compared to the declared 21.5 kg has been described. Such a difference within approximately 1 kg may be attributable to manufacturing tolerances and design characteristics (plate thickness and quantity, housing material). A minor deviation in weight does not in itself indicate a defect; however, in the case of a significantly lower weight compared to typical values, careful operation under severe conditions is advisable.

What internal resistance is considered normal for the Ursa 75 A·h battery?

For the Ursa 75 A·h battery, a measured internal resistance of an automotive starter battery of approximately 5.5 m? at a normal open-circuit voltage (about 12.6–12.8 V) is mentioned. Values within several milliohms are considered typical for a properly functioning starter battery and ensure reliable current delivery to the starter motor, particularly in cold weather conditions.

What polarity options and case sizes are available for Ursa batteries and what should be considered when selecting one?

Ursa batteries are manufactured with direct and reverse polarity configurations, as well as in several dimensional formats in terms of length, width, and height. Prior to purchase, it is necessary to verify the required polarity and dimensions specified for the particular vehicle, compare the case size and terminal type with the original battery, and, upon receipt, visually confirm the correct arrangement of the positive and negative terminals.

Which polarity and dimensional parameters should be additionally verified when ordering an Ursa battery to avoid installation errors?

To ensure that the Ursa 60 A·h or another model fits properly, three parameters should be verified in advance: the required polarity (direct or reverse) of the original battery, the actual dimensions of the mounting space (length, width, height), and the terminal type and diameter. Reviews describe situations in which a customer received a battery with a different polarity or a case that did not fit into the designated space; therefore, verifying these parameters before purchase helps to avoid installation issues.

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With which vehicles and equipment is the Ursa 60 A·h battery compatible in terms of dimensions and mounting?

According to practical user experience, the Ursa 60 A·h battery can be installed without modifications in a number of passenger vehicles: Skoda Octavia, Opel Astra G, Lada Vesta SW Cross, VAZ 2105, VAZ 2114, Chevrolet Niva, as well as other vehicles of a similar size category. In most cases, the battery is secured using standard factory hold-down clamps; however, prior to purchase it is recommended to verify the official size designation against the requirements of the specific vehicle model.

For which vehicles and types of equipment are Ursa batteries of other capacities suitable?

According to user reviews, Ursa 62, 70, 74, 75, 90, and 100 A·h models are successfully used in a wide range of vehicles: passenger cars (Opel Astra H, Chery Very, Ford Focus 2, Renault Logan and Logan 2, Renault Sandero, various Niva versions), commercial vehicles (Volkswagen T4 2.4D minibus, diesel minibuses), and special machinery (MTZ-80 tractor, T-25 tractor, backhoe loader). In all cases, it is noted that the batteries matched the standard mounting dimensions and polarity configuration when the correct model was selected.

Are there any specific features related to terminals and mounting space for Ursa models other than 60 A·h?

For Ursa batteries of other capacities, two characteristic aspects have been noted. For the 62 A·h model, one user observed that the positive and negative terminals are close in diameter, therefore, when replacing a battery of another brand, the fastening may require more careful tightening. For one of the 100 A·h modifications, a case was described in which the housing did not fit into the standard mounting location of the vehicle. This emphasizes the necessity of verifying not only polarity, but also exact dimensions and terminal type before purchase.

How is the production date marked on Ursa batteries and how should it be interpreted correctly?

The production date of a Ursa battery is indicated on the housing by an open numerical code on the right-hand side, typically in the DDMMYYYY format. For example, the marking “05112025” corresponds to 5 November 2025. Other numbers on the housing may relate to the production batch or assembly line and do not represent the manufacturing date.

How “fresh” are Ursa batteries at the time of purchase and what is the permissible storage period?

According to recent reviews, Ursa 60, 90, and 100 A·h batteries often have a manufacturing date only several weeks or months prior to purchase. The seller explains that filled batteries, when properly preserved and periodically recharged, may be stored in a warehouse for up to approximately 2.5 years, provided that the state of charge does not fall below 75% and the terminal voltage remains not lower than 12.46 V. Therefore, an earlier year of manufacture in itself does not indicate poor battery condition.

At what voltage and state of charge does a new Ursa 60 A·h battery typically arrive and is immediate charging required?

For new Ursa 60 A·h batteries, users most frequently record an open-circuit voltage in the range of approximately 12.4–12.7 V, which corresponds to roughly 75–100% charge. Such a battery can generally be installed in the vehicle and used immediately. If, upon receipt, the voltage is noticeably below 12.4 V, it is recommended to fully charge the battery with an appropriate charger prior to installation.

What level of charge and voltage does the seller consider acceptable for new Ursa batteries?

The seller indicates that, at the time of sale, a charge level not lower than 75% and a terminal voltage not less than 12.46 V are acceptable. Factory charging typically ensures approximately 12.5 V; taking into account minor discharge during transportation and measurement tolerances, users commonly observe values of 12.4–12.7 V upon receipt. With such indicators, the battery may be installed immediately; at lower voltage levels, it is recommended to perform additional charging at a current of approximately 10% of the nominal battery capacity rating in ampere-hours.

What actual voltage values are reported for Ursa batteries of different capacities according to reviews?

Based on practical measurements of new Ursa 60–100 A·h batteries, open-circuit voltage values of approximately 12.4–12.8 V are reported (including specific examples of 12.4; 12.45; 12.7; 12.77; 12.86 V). Such values correspond to a high state of charge. Separately, cases are noted in which noticeably undercharged units were supplied; these must be fully charged prior to operation.

Can a Ursa battery arrive undercharged or deeply discharged, and what should be done in such a case?

Yes, according to reviews, both fully charged batteries with voltages of 12.6–12.8 V and significantly discharged units with voltages around 8 V have been encountered. If the voltage is below 12.4 V, the battery must be fully charged before installation using a charger with a current of approximately 10% of the nominal capacity (for 60 A·h, about 6 A). If the battery has arrived deeply discharged, charging should be performed for an extended period at a reduced current, after which it is necessary to verify that it retains a voltage of not less than approximately 12.5 V.

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What should be done if a Ursa battery has been stored in a discharged state for an extended period?

Prolonged storage in a discharged state reduces the service life of any lead-acid battery and accelerates lead-acid battery plate sulfation process. If, upon receipt, the voltage is noticeably below the recommended level, a complete charging cycle should be performed using an appropriate charger until normal electrolyte density and voltage are restored. Thereafter, it is necessary to monitor how the battery retains charge at rest and under load.

How do Ursa batteries perform in winter and at low temperatures?

According to numerous reviews, Ursa 60 and 75 A·h batteries provide reliable engine starting at subzero temperatures, down to approximately minus 20 degrees Celsius. The actual cold-start capability depends on the state of charge of the battery, the proper operation of the alternator and starter, and the correct selection of battery capacity and engine cold cranking current rating for the specific engine.

How does a Ursa battery behave during prolonged discharge while parked, for example when listening to music?

Using the example of the Ursa 75 A·h battery, it is reported that under moderate audio load in a vehicle for approximately five hours with the engine switched off, the engine subsequently started successfully. This indicates a sufficient reserve of nominal battery capacity in ampere-hours; however, frequent repetition of deep discharges while parked reduces the service life of any lead-acid battery and is not recommended by operating instructions.

Can the Ursa 60 A·h battery be used for backup lighting and other household loads?

Yes, the Ursa 60 A·h battery is successfully used as a 12 V power source for backup lighting in workshops and utility rooms, as well as for supplying other low-power loads. It is important to comply with standard operating rules: avoid deep discharges, use a suitable charger, ensure proper ventilation during charging, and monitor the voltage so that it does not fall below recommended values.

Is the Ursa battery suitable for use with an inverter and for powering household appliances, such as a portable refrigerator?

In practical examples, a Ursa 75 A·h battery was used in conjunction with an inverter to power a portable refrigerator with a rated power of approximately 55 W. After six hours of continuous operation, the voltage decreased from approximately 12.4 V to 12.2 V, corresponding to a moderate discharge of a properly functioning battery. A similar operating mode is permissible for the Ursa 60 A·h battery, provided that the inverter and load are correctly selected, the depth of discharge is controlled, and timely recharging is performed.

Can Ursa batteries be used for additional equipment and heavy machinery?

Ursa batteries of various capacities are used not only in passenger vehicles, but also for supplying heating circulation pumps through an uninterruptible power supply, autonomous heaters such as Webasto units, and for starting tractors and other special machinery. With correct capacity selection and compliance with charging requirements, they reliably handle high starting currents and prolonged operation with additional electrical consumers.

How serviceable is the Ursa 60 A·h battery and how can access to the cell caps be obtained?

The Ursa battery is equipped with caps on each cell; however, they are often covered on the top by a continuous label. When maintenance is required (checking the level and electrolyte density measurement in battery cells, topping up), the label may be carefully removed, the caps opened, and the battery serviced as a conventional serviceable battery, in accordance with the operating instructions.

Is topping up with water or electrolyte required during the operation of Ursa batteries?

For serviceable Ursa batteries, users note that over time a small amount of distilled water or electrolyte may need to be added to individual cells, especially after prolonged operation or partial leakage during transportation. It is recommended to periodically check the level and electrolyte density in a lead-acid automotive battery and adjust them if necessary in accordance with the instructions.

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Is it permissible to add electrolyte to Ursa 90–100 A·h batteries and which type should be used?

For fully serviceable Ursa batteries (including 90 and 100 A·h models), adding electrolyte is permissible in the event of a clearly reduced level in the cells. To restore the level in a new battery, a standard electrolyte with a density of approximately 1.28 g/cm? is used. If it is necessary to increase the electrolyte density value in automotive batteries in a battery that is already in operation, a corrective electrolyte with a higher density (for example, approximately 1.34 g/cm?) is applied, adding it in small portions under hydrometer control.

What should be done if electrolyte has leaked during transportation of a Ursa battery or if the housing is wet?

For serviceable Ursa batteries, minor electrolyte losses during transportation are permissible. The owner may carefully remove the top label, open the caps, check the level in the cells, and, if necessary, add electrolyte or water to the normal mark, then thoroughly wipe the housing and fully charge the battery. If the packaging is heavily soaked, some cells are nearly empty, or cracks in the housing are visible, such a unit should not be used without proper diagnostics and possible warranty replacement.

Is it normal for a new Ursa battery to arrive with a damp housing or traces of electrolyte?

In reviews of the Ursa 60–100 A·h product line, a damp housing or traces of electrolyte are mentioned several times, most often associated with transportation. In the case of minor leakage, absence of cracks, and normal electrolyte level in the cells, the seller allows operation after wiping the housing and, if necessary, restoring the electrolyte level to normal. If the leakage is significant, this constitutes grounds for contacting the service center or requesting battery replacement.

Are there issues with charge retention in the Ursa 60 A·h battery and how can they be diagnosed?

Most owners report that a properly functioning Ursa 60 A·h battery reliably maintains an open-circuit voltage of approximately 12.5–12.7 V and consistently starts the engine after months of operation. However, isolated cases occur in which the voltage does not rise above 12.3–12.4 V or the battery ceases to retain charge. Possible causes include internal defects, pronounced lead plate sulfation in starter batteries, deep discharges, increased battery self-discharge rate during storage, or continuous parasitic leakage currents in the vehicle electrical system. It is recommended to verify the charging voltage, the condition of the electrolyte, and the presence of unintended electrical consumers.

What should be done if, during testing of the Ursa 60 A·h battery with a load tester, the voltage drops to approximately 10 V?

A voltage drop to approximately 10 V when tested with a load tester may indicate either insufficient charge or the onset of a problem in one of the cells. Without additional diagnostics, this is not an unequivocal sign of a manufacturing defect. The recommended procedure is to fully charge the battery to a stable 12.6–12.8 V, repeat the load test, and, if significant voltage drop persists along with noticeable differences in electrolyte density between cells, contact an authorized service center for warranty diagnostics.

Why may the cranking current indicated on the Ursa battery housing differ from the value stated in the product description?

Differences in cold cranking current rating for automotive batteries are most often associated with the use of different measurement standards, in particular SAE and EN battery testing standards. For the same battery, the value according to SAE is typically higher than according to EN; therefore, different figures (for example, 500 and 460 A or 860 and 800 A) may be indicated in the product description and on the housing while reflecting equivalent actual performance.

Why may the actual cranking current or tester readings be lower than the specified values for Ursa batteries?

Consumer testers for engine starting current measurement and capacity assess battery condition indirectly (by conductivity and internal resistance of a lead-acid battery) and are highly dependent on state of charge and temperature. Such devices are not certified measuring instruments and provide only approximate values. Accurate verification requires specialized methodologies and equipment, and the battery must be fully charged and stabilized at normal ambient temperature.

Why do some users consider the Ursa 75 A·h battery to be “weak” in terms of cranking current despite the declared 640 A?

The Ursa 75 A·h battery has a declared starter current specification in amperes of 640 A, which is sufficient for most passenger vehicles. A perception of insufficient power may arise in the case of incomplete charge, difficult cold starting conditions, malfunction of the starter motor or wiring, or operation in severe frost. When properly charged and used in a technically sound vehicle, users report reliable engine starting, including both gasoline and diesel engines.

Does the Ursa product line include models manufactured using Ca/Ca calcium technology?

Descriptions of the Ursa 70 A·h battery indicate that it is manufactured using modern Ca/Ca calcium alloy plate technology. This implies the use of calcium in the plate alloy, which is characteristic of most modern starter batteries and ensures reduced water consumption and lower self-discharge characteristics of automotive batteries. This FAQ primarily concerns the Ursa 60 A·h model; however, the presence of calcium technology is specifically noted for the 70 A·h modification.

Can Ursa batteries be used as an autonomous power source for pumps, UPS systems, and special machinery?

Yes, Ursa batteries of various capacities are used to supply heating circulation pumps via uninterruptible power supplies, autonomous electrical consumers in off-road vehicles and diesel minibuses, as well as for starting tractors and backhoe loaders. It is necessary to comply with the operating manual requirements: correctly select the appropriate battery capacity in ampere-hours, monitor charge and discharge levels, and use compatible chargers and controllers.

Is the Ursa battery suitable for operation with additional consumers such as Webasto and other auxiliary equipment?

Practical experience demonstrates that Ursa 75 and 100 A·h batteries are capable of powering an autonomous Webasto heater while simultaneously ensuring reliable engine starting, as well as starting agricultural machinery. This confirms that, when correctly selected according to capacity and required cranking current rating, the Ursa product line is designed to operate with substantial loads and auxiliary equipment.

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